In 2013 she talked like a girl from Arizona. In 2014 she talked like a girl from Hio de Janeiro.
She's not an anonymous person. There is video of her speaking throughout the last 8 years. It didn't develop over time. Some time in late 2013 she made a decision to pretend to have an accent, for whatever reason.
Just because that is plainly obvious to some of us, and we care to point it out, doesn't mean we're assholes or triggered. It says more about the people arguing that it's not fake. You're just difficult for no reason.